What were you going to do if you had those frequencies available? If you were going to talk to people with proper PMR446 radios, then the deviation, the frequency and CTCSS would have to be set correctly - and you'd still be working illegally, but if you were going to talk to friends over greater distances, then you could go a bit higher or lower and do it, still, of course just as illegally. If you're willing to break the law, that's up to you - but unless you want to speak to people you don't know ..........